Recall & Review
beginner
What is the purpose of the
<!DOCTYPE> declaration in an HTML document?The
<!DOCTYPE> declaration tells the web browser which version of HTML the page is written in, so it can display the page correctly.Click to reveal answer
beginner
Where should the
<!DOCTYPE> declaration be placed in an HTML file?It must be the very first line at the top of the HTML file, before the
<html> tag.Click to reveal answer
beginner
What is the correct DOCTYPE declaration for HTML5?
The correct DOCTYPE for HTML5 is
<!DOCTYPE html>.Click to reveal answer
beginner
True or False: The DOCTYPE declaration is case sensitive.
False. The DOCTYPE declaration is not case sensitive, but it is best practice to write it in uppercase or lowercase consistently.
Click to reveal answer
intermediate
What happens if you omit the DOCTYPE declaration in an HTML document?
Without a DOCTYPE, browsers may enter "quirks mode," which can cause inconsistent and incorrect page rendering.
Click to reveal answer
What does the
<!DOCTYPE html> declaration specify?✗ Incorrect
The DOCTYPE declaration tells the browser which HTML version to use for rendering.
Where should the DOCTYPE declaration be placed in an HTML file?
✗ Incorrect
The DOCTYPE must be the first line before the tag.
What is the correct DOCTYPE declaration for HTML5?
✗ Incorrect
HTML5 uses the simple declaration
<!DOCTYPE html>.What might happen if the DOCTYPE declaration is missing?
✗ Incorrect
Without DOCTYPE, browsers may use quirks mode which can break layout and styles.
Is the DOCTYPE declaration case sensitive?
✗ Incorrect
DOCTYPE is not case sensitive, but consistent casing is recommended.
Explain what the DOCTYPE declaration does and why it is important in an HTML document.
Think about how browsers know how to read your page.
You got /4 concepts.
Describe the correct syntax for the HTML5 DOCTYPE declaration and where it should be placed in your HTML file.
It's a short line at the very start.
You got /3 concepts.